package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class Demo8 {
    public static void main(String[] args) {
        try (Connection conn=DBUtil.getConnection();){
            String sql="SELECT id,username,password,nickname,age " +
                    "FROM user " +
                    "WHERE username=? AND password=? ";
            PreparedStatement ps=conn.prepareStatement(sql);
            ps.setString(1,"程非凡");
            ps.setString(2,"20175162209cff");
            ResultSet rs=ps.executeQuery();
            if (rs.next()){
                System.out.println("登陆成功");
            }else {
                System.out.println("登陆失败");
            }
        }catch (SQLException e){
            e.printStackTrace();
        }
    }
}
